determination of surds
Using gauss's law,calculate the electricfield at a distance r=20cm from a point charge q=4microcoulomb.
A charge q=3*10^-6coulumb is placed at the centre of a cube of edge L.Determine the electric flux through each of the cube faces.
Four equal charges Q=2*10^-8coulumb are placed at the corners of a square of side 60cm.calculate the potential at the centre of the square.
Pls help me out. Four positive and equal charges are located dt the corners of a square of side 20cm.if each charge has a magnitude 2microcoulumb,calculate the force acting on the charge at the lower left corner of the square.
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